In announcing the first half of its plan for the 2009-10 TV season, NBC unveiled video "trailers" offering a sneak peek at some of the new shows on its slate.

Can Parenthood's Peter Krause and Maura Tierney pick up where Steve Martin and Dianne Wiest left off? Can Chevy Chase make community college fun? Which of two new medical dramas looks best? And what exactly does Jay Leno have up his sleeve for the 10 o'clock hour?

Watch the videos below, then share your take on NBC's new offerings.

100 Questions, comedy | Starring Sophie Winkleman

Community, comedy | Starring Joel McHale and Chevy Chase

Day One, drama | An "event series" premiering after the 2010 Winter Olympics

The Jay Leno Show, comedy/variety

Mercy, drama | Starring Michelle Trachtenberg, Jamie Lee Kirchner and Taylor Schilling

Parenthood, dramedy | Starring Peter Krause, Maura Tierney, Dax Shepard, Erika Christensen and Craig T. Nelson

Trauma, drama | From Friday Night Lights producer Peter Berg and starring Derek Luke, Anastasia Griffith and Jamey Sheridan